Agilent Technologies 86100A Wartungshandbuch PDF herunterladen (Seite 88)

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Sample Programs

Listings of the Sample Programs

int read_IO (void *buffer,unsigned long length)

{

ibrd (scope, buffer, ( long ) length );

return ( ibcntl );

} /* end read_IO ( ) */

* Function name: check_SRQ

* Parameters: none

* Return value: integer indicating if bus SRQ line was asserted

* Description: This routine checks for the status of SRQ on the bus and

* returns a value to indicate the status.

int check_SRQ ( )

{

int srq_asserted;

short control_lines = 0;

iblines ( bus, &control_lines);

if ( control_lines & BusSRQ )

srq_asserted = TRUE;

else

srq_asserted = FALSE;

return ( srq_asserted );

} /* end check_SRQ ( ) */

* Function name: read_status

* Parameters: none

* Return value: unsigned char indicating the value of status byte

* Description: This routine reads the scope status byte and returns the status.

unsigned char read_status ( )

{

unsigned char statusbyte;

/* Always read the status byte from instrument */

ibrsp ( scope, &statusbyte );

return ( statusbyte );

} /* end read_status ( ) */

* Function name: close_IO

* Parameters: none

* Return value: none

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